unbound/contrib/unbound.init

   1 #!/bin/sh
   2 #
   3 # unbound       This shell script takes care of starting and stopping
   4 #               unbound (DNS server).
   5 #
   6 # chkconfig:   - 14 86
   7 # description:  unbound is a Domain Name Server (DNS) \
   8 #               that is used to resolve host names to IP addresses.
   9
  10 ### BEGIN INIT INFO
  11 # Provides: $named unbound
  12 # Required-Start: $network $local_fs
  13 # Required-Stop: $network $local_fs
  14 # Should-Start: $syslog
  15 # Should-Stop: $syslog
  16 # Short-Description: unbound recursive Domain Name Server.
  17 # Description:  unbound is a Domain Name Server (DNS)
  18 #               that is used to resolve host names to IP addresses.
  19 ### END INIT INFO
  20
  21 # Source function library.
  22 . /etc/rc.d/init.d/functions
  23
  24 exec="/usr/sbin/unbound"
  25 prog="unbound"
  26 config="/var/unbound/unbound.conf"
  27 pidfile="/var/unbound/unbound.pid"
  28 rootdir="/var/unbound"
  29
  30 [ -e /etc/sysconfig/$prog ] && . /etc/sysconfig/$prog
  31
  32 lockfile=/var/lock/subsys/$prog
  33
  34 start() {
  35     [ -x $exec ] || exit 5
  36     [ -f $config ] || exit 6
  37     echo -n $"Starting $prog: "
  38
  39     # setup root jail
  40     if [ -s /etc/localtime ]; then
  41         [ -d ${rootdir}/etc ] || mkdir -p ${rootdir}/etc ;
  42         if [ ! -e ${rootdir}/etc/localtime ] || /usr/bin/cmp -s /etc/localtime ${rootdir}/etc/localtime; then
  43             cp -fp /etc/localtime ${rootdir}/etc/localtime
  44         fi;
  45     fi;
  46     if [ -s /etc/resolv.conf ]; then
  47         [ -d ${rootdir}/etc ] || mkdir -p ${rootdir}/etc ;
  48         if [ ! -e ${rootdir}/etc/resolv.conf ] || /usr/bin/cmp -s /etc/resolv.conf ${rootdir}/etc/resolv.conf; then
  49             cp -fp /etc/resolv.conf ${rootdir}/etc/resolv.conf
  50         fi;
  51     fi;
  52     if ! egrep -q '^/[^[:space:]]+[[:space:]]+'${rootdir}'/dev/log' /proc/mounts; then
  53         [ -d ${rootdir}/dev ] || mkdir -p ${rootdir}/dev ;
  54         [ -e ${rootdir}/dev/log ] || touch ${rootdir}/dev/log
  55         mount --bind -n /dev/log ${rootdir}/dev/log >/dev/null 2>&1;
  56     fi;
  57     if ! egrep -q '^/[^[:space:]]+[[:space:]]+'${rootdir}'/dev/random' /proc/mounts; then
  58         [ -d ${rootdir}/dev ] || mkdir -p ${rootdir}/dev ;
  59         [ -e ${rootdir}/dev/random ] || touch ${rootdir}/dev/random
  60         mount --bind -n /dev/random ${rootdir}/dev/random >/dev/null 2>&1;
  61     fi;
  62
  63     # if not running, start it up here
  64     daemon $exec
  65     retval=$?
  66     echo
  67     [ $retval -eq 0 ] && touch $lockfile
  68     return $retval
  69 }
  70
  71 stop() {
  72     echo -n $"Stopping $prog: "
  73     # stop it here, often "killproc $prog"
  74     killproc -p $pidfile $prog
  75     retval=$?
  76     echo
  77     [ $retval -eq 0 ] && rm -f $lockfile
  78     if egrep -q '^/[^[:space:]]+[[:space:]]+'${rootdir}'/dev/log' /proc/mounts; then
  79         umount ${rootdir}/dev/log >/dev/null 2>&1
  80     fi;
  81     if egrep -q '^/[^[:space:]]+[[:space:]]+'${rootdir}'/dev/random' /proc/mounts; then
  82         umount ${rootdir}/dev/random >/dev/null 2>&1
  83     fi;
  84     return $retval
  85 }
  86
  87 restart() {
  88     stop
  89     start
  90 }
  91
  92 reload() {
  93     kill -HUP `cat $pidfile`
  94 }
  95
  96 force_reload() {
  97     restart
  98 }
  99
 100 rh_status() {
 101     # run checks to determine if the service is running or use generic status
 102     status -p $pidfile $prog
 103 }
 104
 105 rh_status_q() {
 106     rh_status -p $pidfile >/dev/null 2>&1
 107 }
 108
 109 case "$1" in
 110     start)
 111         rh_status_q && exit 0
 112         $1
 113         ;;
 114     stop)
 115         rh_status_q || exit 0
 116         $1
 117         ;;
 118     restart)
 119         $1
 120         ;;
 121     reload)
 122         rh_status_q || exit 7
 123         $1
 124         ;;
 125     force-reload)
 126         force_reload
 127         ;;
 128     status)
 129         rh_status
 130         ;;
 131     condrestart|try-restart)
 132         rh_status_q || exit 0
 133         restart
 134         ;;
 135     *)
 136         echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
 137         exit 2
 138 esac
 139 exit $?